On this date, 2009: Giants pitcher Randy Johnson wins 300th game – The Mercury News
Pitcher Randy Johnson retires after 22 seasons, 303 wins – Twin Cities
Randy Johnson's perfect game - Wikipedia
Randy Johnson - BallNine
MLB Report: Giants' Randy Johnson is retiring
ESPN - On This Date: In 2004, 40-year-old Randy Johnson threw a perfect game against the Braves. He became the oldest player in MLB history to accomplish the feat 💪
Randy Johnson - Wikipedia
Randy Johnson elected to Baseball Hall of Fame
The Mariners Salute Hall of Famer Randy Johnson, by Mariners PR
JAWS and the 2015 Hall of Fame ballot: Randy Johnson - Sports Illustrated
Randy Johnson Records His 300th Career Victory - The New York Times
Johnson perfect at age 40